ralsina/nikola — pull request #323 by quoth (2013-02-21 11:55:16+00:00)
Title: Localize posted datetime by a given timezone.

I want to use W3C-DTF Date Format(ex. 2013-02-18T21:40:55+09:00) for supporting HTML5's semantic markup. So nikola can handle a local timezone in case of setting a timezone on conf.py.

Below code is example.
```html
${post.date.strftime(date_format)}
```